Traveling Units have advanced significantly since the childhood days of handheld remote control helicopters. Drones, also known as quadcopters or quads (colloquially, anyway), are more than simply a means to revive that childhood whimsy. These machines can capture cinematic footage of the ecosystem and HD portraits of pilots and spectators. https://www.aeroindustrial.com/por-que-el-dji-matrice-4t-es-ideal-para-infraestructuras-criticas-y-monitoreo-ambiental/